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'The additional allegations of assault that I read this morning made me sick. This is completely unacceptable, and I find myself asking what I can do to make sure this doesn’t happen to others.

On the go: The 45-year-old actor was photographed out after he posted a statement denouncing Harvey Weinstein's behavior

Superhero movie: Ben will reprise his role as Bruce Wayne and his alter ego Batman in the upcoming Justice League movie

Reading material: The actor carried books under his leather jacket

'We need to do better at protecting our sisters, friends, co-workers and daughters. We must support those who come forward, condemn this type of behavior when we see it and help ensure there are more women in positions of power.'

Affleck and co-star Matt Damon owe their careers to Weinstein after winning an Oscar back in 1998 for best original screenplay for Good Will Hunting. The film, which they both starred in, was produced by The Weinstein Company.

His comments came shortly before the New York Times published a story revealing both Gwyneth Paltrow and Angelina Jolie were subjected to unwanted advances by the Hollywood bigwig.

On good form: Affleck leaves the center on Tuesday

Leather jacket: The Good Will Hunting star kept it casual in a T-shirt and leather jacket

Sad and angry: Ben earlier posted a statement about Harvey Weinstein saying he was 'saddened and angry' at him

'Made me sick': Affleck posted this message on Facebook on Tuesday morning after bombshell allegations of sexual harassment were made against Hollywood bigwig Weinstein

She got to the point: Rose McGowan, who said she was attacked by Weinstein, told the actor to 'f*** off' after his note

Thirteen women have said Weinstein sexually harassed or assaulted them between 1990 and 2015, according to the New Yorker.

Before his trip to a treatment center on Tuesday Affleck was spotted browsing an art gallery with girlfriend Lindsay in New York where the mother-of-one is based.

On Saturday night, Affleck was seen leaving the SNL studios where his girlfriend works as a producer.

The ex: Ben's estranged wife Jennifer Garner was seen in Los Angeles on Tuesday

Affleck and co-star Matt Damon owe their careers to Weinstein after winning an Oscar back in 1998 for best original screenplay for Good Will Hunting. The trio are pictured last year

The couple went public with their relationship over the summer following the finalization of Affleck's divorce from Jennifer Garner, the mother of his three children.

Affleck is focusing on his sobriety following a rehab stint in February following which he released a public statement.

He wrote: 'I have completed treatment for alcohol addiction; something I've dealt with in the past and will continue to confront. I want to live life to the fullest and be the best father I can be.'

The actor has just jetted back from New York where he was visiting girlfriend Lindsay Shookus. The couple are pictured on a separate outing last month